wordpress-theme-aksrt/inc/helpers/header/aksrt-header-menu-search.php

<?php
/**
 * Layout-2 menu search remote panel (zibll menu_search parity subset).
 *
 * @package AKSRT
 */

defined('ABSPATH') || exit;

if (!function_exists('aksrt_ajax_menu_search')) :
	/**
	 * AJAX: HTML panel for navbar inline search (history + hot + posts).
	 */
	function aksrt_ajax_menu_search(): void {
		// Prefer public nonce; also accept no nonce for same-origin remote-box first paint like zibll.
		if (!empty($_REQUEST['nonce'])) {
			$nonce = sanitize_text_field(wp_unslash((string) $_REQUEST['nonce']));
			if (!wp_verify_nonce($nonce, 'aksrt_public_nonce')) {
				wp_die('0');
			}
		}

		$html = aksrt_get_menu_search_panel_html();
		if ($html === '') {
			wp_die('0');
		}

		echo '<div class="dropdown-menu hover-show-con navbar-inline-search-panel is-open">' . $html . '</div>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
		wp_die();
	}
endif;

if (!function_exists('aksrt_get_menu_search_panel_html')) :
	/**
	 * Build inner search panel HTML (no outer dropdown wrapper).
	 */
	function aksrt_get_menu_search_panel_html(): string {
		$show_keywords = true;
		$show_history  = true;
		$show_posts    = true;
		if (class_exists('\AKSRT\Settings\Settings')) {
			$show_keywords = method_exists('\AKSRT\Settings\Settings', 'hot_search_enabled')
				? (bool) \AKSRT\Settings\Settings::hot_search_enabled()
				: true;
			$show_history = method_exists('\AKSRT\Settings\Settings', 'search_history_enabled')
				? (bool) \AKSRT\Settings\Settings::search_history_enabled()
				: true;
			$show_posts = method_exists('\AKSRT\Settings\Settings', 'search_posts_enabled')
				? (bool) \AKSRT\Settings\Settings::search_posts_enabled()
				: !empty(\AKSRT\Settings\Settings::get_value('search_posts', true));
		}

		$out = '';

		// History (client may also fill via localStorage; server returns logged-in history).
		if ($show_history) {
			$hist = [];
			if (is_user_logged_in()) {
				$saved = get_user_meta(get_current_user_id(), 'aksrt_search_history', true);
				if (is_array($saved)) {
					foreach (array_slice($saved, 0, 10) as $item) {
						if (is_array($item) && !empty($item['keyword'])) {
							$hist[] = (string) $item['keyword'];
						} elseif (is_string($item) && $item !== '') {
							$hist[] = $item;
						}
					}
				}
			}
			$out .= '<div class="aksrt-menu-search-history" data-aksrt-menu-history="1">';
			$out .= '<div class="flex jsb ac mb6"><span class="muted-2-color em09">' . esc_html__('搜索历史', 'aksrt') . '</span>';
			$out .= '<a href="javascript:;" class="muted-2-color em09" data-aksrt-clear-menu-history="1">' . esc_html__('清空', 'aksrt') . '</a></div>';
			$out .= '<div class="aksrt-menu-search-history__list">';
			if ($hist) {
				foreach ($hist as $kw) {
					$out .= '<a class="but jb-sm" href="' . esc_url(home_url('/?s=' . rawurlencode($kw))) . '">' . esc_html($kw) . '</a> ';
				}
			} else {
				$out .= '<span class="muted-3-color em09" data-empty="1">' . esc_html__('暂无历史', 'aksrt') . '</span>';
			}
			$out .= '</div></div>';
		}

		// Hot keywords.
		if ($show_keywords) {
			$hots = function_exists('aksrt_get_search_hot_keywords') ? aksrt_get_search_hot_keywords() : [];
			if ($hots) {
				$title = class_exists('\AKSRT\Settings\Settings') && method_exists('\AKSRT\Settings\Settings', 'search_popular_title')
					? \AKSRT\Settings\Settings::search_popular_title()
					: __('热门搜索', 'aksrt');
				$out .= '<div class="aksrt-menu-search-hots mt10">';
				$out .= '<div class="muted-2-color em09 mb6">' . esc_html($title) . '</div>';
				$out .= '<div class="navbar-inline-search-hots">';
				foreach ($hots as $kw) {
					$kw = trim((string) $kw);
					if ($kw === '') {
						continue;
					}
					$out .= '<a class="but jb-sm" href="' . esc_url(home_url('/?s=' . rawurlencode($kw))) . '">' . esc_html($kw) . '</a> ';
				}
				$out .= '</div></div>';
			}
		}

		// Latest / popular posts (optional).
		if ($show_posts) {
			$posts = get_posts([
				'post_type'              => 'post',
				'post_status'            => 'publish',
				'posts_per_page'         => 6,
				'ignore_sticky_posts'    => true,
				'no_found_rows'          => true,
				'update_post_meta_cache' => false,
				'update_post_term_cache' => false,
			]);
			if ($posts) {
				$out .= '<div class="aksrt-menu-search-posts mt10">';
				$out .= '<div class="muted-2-color em09 mb6">' . esc_html__('推荐内容', 'aksrt') . '</div>';
				$out .= '<div class="aksrt-menu-search-posts__list">';
				foreach ($posts as $p) {
					$out .= '<a class="aksrt-menu-search-posts__item" href="' . esc_url(get_permalink($p)) . '">';
					$out .= '<span class="title text-ellipsis">' . esc_html(get_the_title($p)) . '</span>';
					$out .= '<span class="meta muted-3-color em09">' . esc_html(get_the_date('', $p)) . '</span>';
					$out .= '</a>';
				}
				$out .= '</div></div>';
			}
		}

		// Live suggestions mount point.
		$out .= '<div class="aksrt-menu-search-suggest mt10" data-aksrt-menu-suggest="1" hidden></div>';

		return $out;
	}
endif;

add_action('wp_ajax_aksrt_menu_search', 'aksrt_ajax_menu_search');
add_action('wp_ajax_nopriv_aksrt_menu_search', 'aksrt_ajax_menu_search');
// Alias for zibll-compatible remote-box query action name used in markup.
add_action('wp_ajax_menu_search', 'aksrt_ajax_menu_search');
add_action('wp_ajax_nopriv_menu_search', 'aksrt_ajax_menu_search');